%0 Journal Article %A S. Yu. Dobrokhotov %A V. N. Kolokoltsov %A V. P. Maslov %T Splitting of the lowest energy levels of the Schr\"odinger equation and asymptotic behavior of the fundamental solution of the equation $hu_t=h^2\Delta u/2-V(x)u$ %J Teoretičeskaâ i matematičeskaâ fizika %D 1991 %P 323-375 %V 87 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1991_87_3_a0/ %G ru %F TMF_1991_87_3_a0